20411641005651 has 48 divisors (see below), whose sum is σ = 35174799016448. Its totient is φ = 11586551040000.

The previous prime is 20411641005643. The next prime is 20411641005653. The reversal of 20411641005651 is 15650014611402.

20411641005651 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 1 + 641 + 0 + 0 + 5 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 20411641005651 - 2³ = 20411641005643 is a prime.

It is a super-2 number, since 2×20411641005651² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20411641005653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39477550 + ... + 39991251.

Almost surely, 2^{20411641005651} is an apocalyptic number.

20411641005651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20411641005651 is a deficient number, since it is larger than the sum of its proper divisors (14763158010797).

20411641005651 is an equidigital number, since it uses as much as digits as its factorization.

20411641005651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79468974 (or 79468962 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 20411641005651 in words is "twenty trillion, four hundred eleven billion, six hundred forty-one million, five thousand, six hundred fifty-one".